Run results for: Proxy setter with sub operation v. class

Run details:

User agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/92.0.4515.131 Safari/537.36 OPR/78.0.4093.147

Browser: Opera 78

Operating system: Windows 7

Device Platform: Desktop

Date tested: 3 years ago

Test name	Executions per second
Object setter	6144310.5 Ops/sec
Proxy setter	1989230.4 Ops/sec
Proxy with set handler	1083398.4 Ops/sec

Script Preparation code:

var c = 0;
object = {};
class p {
    set value(v){
         if (c++%7==0) v += c;
        this._value = v;
    }
}
proxy = new p();
proxyWithHandler = new Proxy(object, {
	set(target, prop, receiver) {
        if (c++%7==0) prop += c;
    	return Reflect.set(target, prop, receiver);
    }
})

Tests:

Object setter
object.value = 'data';
Proxy setter
proxy.value = 'data';
Proxy with set handler
proxyWithHandler.value = 'data';

Run results for: Proxy setter with sub operation v. class

Object setter

Proxy setter

Proxy with set handler